Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689721 | Conductive grease and rolling apparatus packed with the same | Atsushi Yokouchi, Koichi Hachiya, Michiharu Naka, Tooru Shouda, Hideki Koizumi | 2004-02-10 |
| 6589918 | Conductive grease and rolling apparatus packed with the same | Atsushi Yokouchi, Koichi Hachiya, Michiharu Naka, Tooru Shouda, Hideki Koizumi | 2003-07-08 |
| 6582130 | Rolling bearing and bearing apparatus | Atsushi Yokouchi, Toru Syoda, Michiharu Naka, Yasuyuki Matsumoto | 2003-06-24 |